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Solar Energy Automatic Changeable Light Electric Welding Protective Helmet with Film Character Pattern Main Features Novelty appearance design, super light and durable shell In the process of welding, the object has high definition and can observe the solder joints very clearly so as to ensure the welding quality Advanced double filter technology, uniform light transmission, clear image, avoiding harmful radiation from UV / IR or strong light damage to glass When not photosensitive, light shield number is three, providing adequate light for ready work and accurate polishing
Specification Light shade: DIN4 Dark shade: DIN - 13 adjustable outside Lens size: 93 x 43 x 6mm Cartridge size: 110 x 90mm Response time: less than 1/25000s ( from bright to dark ) Release time: 0.155 - 0.80s adjustable ( from dark to bright ) Switching time: 1/10000s
Sensitivity: low / high ( welding time according to magnitude of current ) Power supply: rechargeable Li-ion / solar battery ( included ) UVT transmission: 313nm ( 0.003 percent and less ) 365nm ( 0.009 percent and less ) UV protection: class 15 Infra red transmission: 780 - 1300nm ( 0.003 percent and less ) 1300 - 2000nm ( 0.009 percent and less ) Work temperature: -5 - 55 Deg.C ( 23 - 131 Deg.F ) Store temperature: -20 - 70 Deg.C ( -4 - 158 Deg.F )
Application: Argon arc welding;gas welding;electric polishing etc. Package Weight : 800 G / 28.22 Ounces Package Dimensions (L*W*H) : 31*23*23CM/ 12.20*9.06*9.06 Inches Package Include: 1 x Mask
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